<script setup lang="ts">
import { reactive } from 'vue';
type Form = {
  username: string
  password: string
  age?: number
}

const form: Form = reactive({
  username: '222',
  password: '111',
  age: 18
})

</script>

<template>
  <div>
  </div>
</template>

<style scoped>
</style>
